Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

The components of operating lease expense were as follows (in thousands):

	Three Months Ended June 30, 2019			Six Months Ended June 30, 2019
Operating lease cost	$	2,244		$	4,493
Variable lease cost	588			891
Sublease income	(132		)	(149		)
Total lease cost	$	2,700		$	5,235

Supplemental Lease Information [Table Text Block]

Supplemental information related to leases was as follows (in thousands):

	Three Months Ended June 30, 2019		Six Months Ended June 30, 2019
Cash paid for amounts included in the measurement of lease liability:
Operating cash flows from operating leases	$	1,866	$	2,882

Supplemental Balance Sheet Information Related to Leases [Table Text Block]

	June 30, 2019
Weighted average remaining lease term:
Operating leases	8.1 years
Weighted average discount rate:
Operating leases	7.65	%

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

As of June 30, 2019, maturities of lease liabilities were as follows (in thousands):

Year Ending December 31,	Amount
Remaining 2019	$	3,262
2020	5,184
2021	6,030
2022	4,588
2023	4,604
2024 and thereafter	38,716
Total operating lease payments	62,384
Less: Imputed interest	(23,437		)
Less: Anticipated lease incentive	(14,207		)
Total operating lease liabilities	$	24,740

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

As of December 31, 2018, the future minimum lease commitments related to lease agreements under Topic 840, the predecessor of Topic 842, were as follows:

Year Ending December 31,	Amount
2019	$	4,164
2020	1,649
2021	5,115
2022	6,181
2023	5,679
2024 and thereafter	57,365
Total minimum lease payments	$	80,153